Combination hamburger and hotdog bread bun



FIG. 1 is a perspective view of combination hamburger and hotdog bread bun showing my new design;

FIG. 2 is a front elevation view, the opposite side being a mirror image thereof;

FIG. 3 is a side elevation view, the opposite side being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a combination hamburger and hotdog bread bun, as shown and described. 